A synonym for butt, but it's a more polite word to use if you're mad. You know when your parents tell you you're getting a spanking on your butt? That's the right time to tell them that the word butt isn't very nice. You may get in bigger trouble, but it was worth it. You learn something every day.
1) A crude, but highly alcoholic beverage. Similar to Moonshine, but much more potent, with an alcohol content similar to Everclear (180 proof), but less refined. It is called boomshine because it has a tendency to explode, do to the high amount of alcohol vapor produced
2) A more potent version of moonshine, known to get people drunk off the vapors alone.